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US 12,590,198 B2Granted
Process for the decomposition of polyurethane
AssigneeNeveon Germany GMBH
InventorHerbert Bettinger
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Abstract
The invention relates to a method for decomposing polyurethane, wherein material containing polyurethane is heated to a temperature from 190° C. to 250° C. under overpressure in the presence of an aqueous solution containing 1 to 45 mass percent urea. It further relates to a liquid process medium obtainable thereby.
Claims11
A method for decomposing polyurethane, wherein a polyurethane-containing material is heated to a temperature from 190° C. to 250° C. under overpressure in the presence of an aqueous solution containing 1 to 45 mass percent urea.
Dependencies are inferred from the claim text.